<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="名称" prop="areaName">
        <el-input
          v-model="queryParams.areaName"
          placeholder="请输入区域名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item label="简称" prop="sname">
        <el-input
          v-model="queryParams.sname"
          placeholder="请输入区域简称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:sysArea:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:sysArea:edit']"
        >修改</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
        >展开/折叠</el-button>
      </el-col> -->
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading"
      :data="sysAreaList"
      row-key="areaId"
      lazy
      border
      :load="load"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >

      <el-table-column label="名称" align="left" prop="areaName" />
      <el-table-column label="编码" align="left" prop="areaId" width="120"/>
      <el-table-column label="简称" align="left" prop="sname" width="280" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="200">
        <template slot-scope="scope">
          <el-button v-if="scope.row.levels != 4"
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['system:sysArea:add']"
          >新增</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:sysArea:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:sysArea:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改行政区划管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="580px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="110px">
        <el-form-item label="父级ID" prop="pid">
          <el-input v-model="form.pid" placeholder="请输入父级id" />
        </el-form-item>
        <el-form-item label="编码" prop="areaId">
          <el-input v-model="form.areaId" placeholder="请输入区域编码" />
        </el-form-item>
        <el-form-item label="名称" prop="areaName">
          <el-input v-model="form.areaName" placeholder="请输入区域名称" />
        </el-form-item>
        <el-form-item label="区域简称" prop="sname">
          <el-input v-model="form.sname" placeholder="请输入区域简称" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listSysArea, getSysArea, delSysArea, addSysArea, updateSysArea,initBean } from "@/api/system/sysArea";

export default {
  name: "SysArea",
  data() {
    return {
      // 按钮loading
      buttonLoading: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 行政区划管理表格数据
      sysAreaList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        areaName: undefined,
        pid: undefined,
        sname: undefined,
        parentId: undefined,
        levels: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询行政区划管理列表 */
    getList() {
      this.loading = true;
      listSysArea(this.queryParams).then(response => {
        this.sysAreaList =  this.handleTree(response.data, "areaId");
        this.total = response.total;
        this.loading = false;
      });
    },
    load(tree, treeNode, resolve) {
            setTimeout(() => {
              listSysArea(Object({parentId:tree.areaId})).then(response => {
                return resolve(response.data);
              });
            }, 500)
          },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        areaId: undefined,
        areaName: undefined,
        pid: undefined,
        sname: undefined,
        parentId: undefined,
        ancestors: undefined,
        levels: undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.areaId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      if (row != undefined) {
        this.form.parentId = row.areaId;
        this.form.pid = row.areaId;
      }
      this.open = true;
      this.title = "添加行政区划管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.loading = true;
      this.reset();
      const areaId = row.areaId || this.ids
      getSysArea(areaId).then(response => {
        this.loading = false;
        this.form = response.data;
        this.open = true;
        this.title = "修改行政区划管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.buttonLoading = true;
          if (this.form.areaId != null) {
            updateSysArea(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          } else {
            addSysArea(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const areaIds = row.areaId || this.ids;
      this.$modal.confirm('是否确认删除行政区划管理编号为"' + areaIds + '"的数据项？').then(() => {
        this.loading = true;
        return delSysArea(areaIds);
      }).then(() => {
        this.loading = false;
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).finally(() => {
        this.loading = false;
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/sysArea/export', {
        ...this.queryParams
      }, `sysArea_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
